option('checks', type: 'boolean', value: true, yield: true,
       description: 'Check for features with the build system')

option('docs', type: 'feature', value: 'auto', yield: true,
       description: 'Build documentation')

option('strict', type: 'boolean', value: false, yield: true,
       description: 'Enable ultra-strict warnings')

option('tests', type: 'boolean', value: true, yield: true,
       description: 'Build tests')

option('use_builtin_clz', type: 'feature', value: 'auto', yield: true,
       description: 'Use __builtin_clz')
       
option('use_builtin_clzll', type: 'feature', value: 'auto', yield: true,
       description: 'Use __builtin_clzll')